diff --git a/requirements-dev.txt b/requirements-dev.txt
index 18dfe69..9519667 100644
--- a/requirements-dev.txt
+++ b/requirements-dev.txt
@@ -153,7 +153,7 @@ tomli==2.0.1
     #   pytest
 types-pytz==2023.3.1.1
     # via pandas-stubs
-typing-extensions==4.8.0
+typing-extensions==4.9.0
     # via
     #   black
     #   fastapi
diff --git a/requirements.txt b/requirements.txt
index 47dee6a..d5decc0 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -54,7 +54,7 @@ sniffio==1.3.0
     # via anyio
 starlette==0.27.0
     # via fastapi
-typing-extensions==4.8.0
+typing-extensions==4.9.0
     # via
     #   fastapi
     #   pydantic